Home / 28,044.38-42,069.41-11,401.85

Finding the Fourth Proportional to 28,044.38, 42,069.41 and 11,401.85

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Solution

The fourth proportional to 28,044.38, 42,069.41 and 11,401.85 is: 17,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.38 : 42,069.41 = 11,401.85 : x
  2. Step 2: Convert to fraction form
    28,044.38/42,069.41 = 11,401.85/x
  3. Step 3: Cross multiply
    28,044.38x = 42,069.41 × 11,401.85
  4. Step 4: Simplify right side
    28,044.38x = 479,668,835.05
  5. Step 5: Solve for x
    x = 479,668,835.05/28,044.38
  6. Step 6: Final answer
    x = 17,103.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.